A helicopter lands on a platform on USS Northwind and ships underway at sea in Antarctica.

Activities of U.S. Navy personnel in Antarctica during Operation High Jump. U.S. Navy Admiral Richard Cruzen and other officers on the bridge of a ship. USS Mount Olympus stuck in ice. A helicopter settles on a platform on USS Northwind. A helicopter in flight. U.S. Navy PBM Mariner in flight overhead. USS Mount Olympus, USS Merrick and USS Yancey trail USS Northwind.